Red Hat Security Advisory: freerdp security update
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fix(es): * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22855) * freerdp: FreeRDP global-buffer-overflow (CVE-2026-22858) * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22859) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
FreeRDP contains three security vulnerabilities identified as CVE-2026-22855, CVE-2026-22858, and CVE-2026-22859. These include heap-buffer-overflow and global-buffer-overflow issues that could potentially lead to memory corruption. The vulnerabilities affect the xfreerdp client component, which is used to connect to RDP servers such as Microsoft Windows, xrdp, and VirtualBox. Red Hat Product Security has issued an advisory (RHSA-2026:3067) and released updated packages for Red Hat Enterprise Linux 9 and associated CodeReady Linux Builder variants to address these vulnerabilities.
Potential Impact
The identified vulnerabilities involve heap and global buffer overflows in FreeRDP, which could lead to memory corruption. Such issues may allow an attacker to cause a denial of service or potentially execute arbitrary code, depending on the context of exploitation. The advisory rates the security impact as Important (high severity). There are no known exploits in the wild at the time of this advisory.
Mitigation Recommendations
Red Hat has released updated freerdp packages that fix the heap-buffer-overflow and global-buffer-overflow vulnerabilities. Users of Red Hat Enterprise Linux 9 and related CodeReady Linux Builder products should apply the security update as described in Red Hat advisory RHSA-2026:3067. Detailed instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
Red Hat Security Advisory: freerdp security update
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fix(es): * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22855) * freerdp: FreeRDP global-buffer-overflow (CVE-2026-22858) * freerdp: FreeRDP heap-buffer-overflow (CVE-2026-22859) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
FreeRDP contains three security vulnerabilities identified as CVE-2026-22855, CVE-2026-22858, and CVE-2026-22859. These include heap-buffer-overflow and global-buffer-overflow issues that could potentially lead to memory corruption. The vulnerabilities affect the xfreerdp client component, which is used to connect to RDP servers such as Microsoft Windows, xrdp, and VirtualBox. Red Hat Product Security has issued an advisory (RHSA-2026:3067) and released updated packages for Red Hat Enterprise Linux 9 and associated CodeReady Linux Builder variants to address these vulnerabilities.
Potential Impact
The identified vulnerabilities involve heap and global buffer overflows in FreeRDP, which could lead to memory corruption. Such issues may allow an attacker to cause a denial of service or potentially execute arbitrary code, depending on the context of exploitation. The advisory rates the security impact as Important (high severity). There are no known exploits in the wild at the time of this advisory.
Mitigation Recommendations
Red Hat has released updated freerdp packages that fix the heap-buffer-overflow and global-buffer-overflow vulnerabilities. Users of Red Hat Enterprise Linux 9 and related CodeReady Linux Builder products should apply the security update as described in Red Hat advisory RHSA-2026:3067. Detailed instructions for applying the update are available at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:3067
- Cve Count
- 3
- Additional Cves
- ["CVE-2026-22858","CVE-2026-22859"]
- Cvss Version
- null
Threat ID: 6a27e9938dd33fbd8516a7ee
Added to database: 6/9/2026, 10:23:15 AM
Last enriched: 6/9/2026, 10:38:24 AM
Last updated: 6/10/2026, 5:13:15 AM
Views: 3
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